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7608951 |
Fully redundant spacecraft power and attitude control system
An energy storage flywheel system for a spacecraft is implemented with a fully redundant rotating group and gimbal actuator. In particular, the gimbal actuator, motor/generator, primary bearings,...
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7586226 |
Magneto generator
A magneto generator can reduce the man-hours of processing and an amount of use (i.e., an amount of material) of permanent magnets used per generator. The magneto generator includes a bowl-shaped...
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7554237 |
Centrifugal-effect vibration generator having coaxial contrarotating rotors
A device for generating forces that are variable and controllable in amplitude, in direction, and in frequency, the device includes two unbalanced rotors ( 18, 20, 35 to 38 ) mounted coaxially in...
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7541783 |
Flywheel electric generator
Torque auxiliary units 30 are disposed at opposed positions outside rotary traces of the rotating permanent magnets 18 provided for the flywheel 11 , in which permanent magnets 31 are...
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7536932 |
Spherical flywheel energy storage system
A spherical flywheel is described and specified that stores rotational energy more efficiently than cylindrical flywheels. The spherical flywheel is composed of multiple layers of material with the...
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7531931 |
Permanent-magnet generator
A permanent-magnet generator is provided that has a bowl-shaped fly wheel integrally formed with a boss part by casting or hot forging, that reduces rotational imbalance and the quantity of balance...
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7523540 |
Device for positioning and affixing magnets to a magnetic yoke member of a motor
A device for positioning and affixing magnets on a magnetic yoke member of an electric motor includes: a nonmagnetic support for receiving the magnets; a magnetic element for holding the magnets in...
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7511400 |
Dynamo system having a freely moving flywheel in circular track
A dynamo system comprises a flywheel mounted on a shaft intermediate its ends. A circular track in the dynamo system includes an inward groove structure to keep the ends of the shaft tracked inside...
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7510065 |
Mounting of a flywheel of a clutch, supporting the rotor of a rotating electric machine, on the crankshaft of a vehicle engine
The assembly is characterized in that the casing ( 62 ) of the engine of the motor vehicle carries, fastened to it, an axially projecting sleeve ( 246 ), in that the crankshaft ( 11 ) is lengthened...
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7508105 |
Magneto-generator
A magneto-generator includes a bowl-shaped flywheel and plural magnets disposed internally of the flywheel. A guard ring of a cylindrical shape is disposed in intimate contact with the plural...
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7472768 |
Drive system, especially for a motor vehicle
A drive system which has a drive unit with a drive shaft; a centrifugal mass arrangement, which is mounted on the drive shaft; and an electrical machine, comprising a stator arrangement and a rotor...
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7462970 |
Power system
A power system includes an engine, a motor/generator operatively connected to the engine, and a starter operatively connected to at least one of the engine and the motor/generator.
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7443064 |
Permanent-magnet generator having protrusions for dissipating heat
A permanent-magnet generator includes a flywheel having a ringlike portion and a bottom portion which closes off one end of the ringlike portion and a plurality of protrusions bulging inward from...
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7385324 |
Magnetic control wheel with a magnetic ring
A magnetic control wheel having a flywheel and a magnetic ring. The magnetic ring is a plate with magnetic permeability that is mounted around the periphery of the flywheel. The connection line at...
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7365461 |
Crash management system for implementation in flywheel systems
A crash management system for implementation in a flywheel energy storage system (FESS) is provided. Implementation of such a system entails designing an FESS rim that is highly failure resistant,...
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7362018 |
Encoder alternator
An encoder alternator for an internal combustion engine has a rotor with a plurality of circumferential magnetic rotor poles in a periodic pattern except for at least one magnetic irregularity. A...
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7350283 |
Method for making rotor for permanent magnet electric machine
A method for making a rotor for a permanent magnet electric motor comprising the steps of providing an annular permanent magnet and an annular back-up member. Affixing the magnet to the inner...
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7348702 |
Apparatus and method for flywheel based cooling
In accordance with exemplary embodiments, the present invention provides a transient power source that includes a flywheel that stores kinetic energy. In the event of a loss of main or operating...
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7312548 |
Torque converter and system using the same
A torque converter device comprises a flywheel rotatable about a first axis, the flywheel including a first body portion having a first radius from a circumferential surface and a first radius of...
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7291953 |
High performance motor and magnet assembly therefor
A magnet assembly includes a back iron and an array of magnets. The back iron is in the form of a plate having opposed surfaces. The magnets are arranged along one of the surfaces, with the other...
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7268450 |
Permanent magnet type generator
A permanent magnet type generator includes a rotor having 4 n (n is a positive integer) permanent magnet poles disposed in a circumferential direction of the rotor to have circumferential gap...
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7178219 |
Method of manufacturing a magneto-generator
A magneto-generator, a method of manufacturing the same and a resin molding die for manufacturing the same. In the magneto-generator, a guard ring is omitted with the performance of the...
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7174806 |
Flexible bearing damping system, energy storage system using such a system, and a method related thereto
A bearing damping system for damping vibrations and conducting heat from vibration-producing, heat-generating devices, an evacuated energy storage system including such a bearing damping system for...
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7154202 |
Magneto generator
A rise in temperature of magneto coils can be suppressed, thereby improving the electrical efficiency, service life and reliability thereof. A flywheel ( 3 ) has a cylindrical portion ( 4 ), and is...
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7145276 |
Torque converter system and method of using the same
A torque converter includes a flywheel rotating about a first axis, the flywheel including a first body portion, a first plurality of permanent magnets mounted in the first body portion, each of...
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7145274 |
Magnetoelectric generator
A magnetoelectric generator includes a bowl-like flywheel ( 3 ) having a bottom portion ( 6 ) formed with ventilation holes ( 20 ), a plurality of permanent magnets ( 7 ) secured to an inner...
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7109622 |
Flywheel system with synchronous reluctance and permanent magnet generators
The present invention provides a flywheel system with a variable speed synchronous reluctance motor-generator and a variable speed permanent magnet generator for providing backup power. The...
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7066050 |
Life counter for flywheel energy storage systems
A life counter that calculates and records the life utilized of the flywheel in a flywheel energy storage system and indicates when it should be removed from service, based on operational history...
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7053589 |
Long-life vacuum system for energy storage flywheels
The invention, intended primarily for use in a steel flywheel power source ( 30 ), provides a vacuum system and a method of maintaining a vacuum inside a flywheel chamber ( 32 ) for the life of the...
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7028952 |
Rotation stabilizing device in a microgravitational rotating apparatus
A rotation stabilizing device in a microgravitational rotating apparatus has vibration suppressed and rotation stabilized. Recess portions 10 a , 10 b are provided on a casing 10 so that...
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7023118 |
System for controlling a magnetically levitated rotor
In a rotor assembly having a rotor supported for rotation by magnetic bearings, a processor controlled by software or firmware controls the generation of force vectors that position the rotor...
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7018324 |
Magnetic controlled loading device in combination of a power generating set and an adjusting drive mechanism
A magnetic controlled loading device in combination of a power generating set and an adjusting drive mechanism having a flywheel, a shaft, a transmission element, a magnetic controlled loading...
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6958559 |
Magneto generator
A rise in temperature of magneto coils can be suppressed, thereby improving the electrical efficiency, service life and reliability thereof. A flywheel ( 3 ) has a cylindrical portion ( 4 ), and is...
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6943476 |
Magneto generator for self-powered apparatuses
A magneto generator for self-powered apparatuses; the magneto generator comprises a stator provided with an electric winding, and a permanent magnet rotor coaxially arranged to the stator. The...
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6921998 |
Energy storage flywheel auxiliary bearing system and method
An energy storage flywheel system includes a shaft, one or more primary bearing assemblies, and one or more secondary bearing assemblies. A secondary bearing control circuit determines the...
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6882072 |
Energy storage flywheel system with a power connector that integrally mounts one or more controller circuits
An energy storage flywheel system that includes a power connector extending through the flywheel housing assembly and is hermetically sealed thereto. A circuit board, on which is mounted at least a...
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6873075 |
Magnetic bearing control device
A magnetic bearing control device that can operate a motor with low noise, has a simple system construction and is compact and inexpensive comprises: at least a pair of opposed electromagnets for...
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6867520 |
Electro-mechanical battery
An electromechanical battery having an annular rotor structure with magnetic levitation components integrally mounted in the rotor structure providing a passive levitation system in conjunction...
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6864606 |
Apparatus having an electrical machine
An apparatus such as a vehicle having a generator. The apparatus includes a rotational shaft having a longitudinal axis, a stator having a core and windings disposed on the core, and a rotor...
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6858958 |
Method and device for transmitting force magnetically
The present invention relates to a method and a device for transmitting force, in particular an impetus, by magnetic interaction. Thereby, a plurality of supports are fitted with one or more...
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6847147 |
Dynamoelectric machine having windings that differ in wire gauge and number of winding turns
A multiphase motor comprises a plurality of ferromagnetic stator core segments, the core segments being substantially uniformly spaced around an axis of rotation and isolated from direct contact...
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6842967 |
Apparatus for aligning stators and rotors
A tool for aligning a stator with respect to a crankshaft of a hybrid vehicle is provided. The tool comprises a central hub, a plurality of alignment members, and an actuating device. The central...
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6828702 |
Brushless DC drive
In a brushless direct-current drive with a synchronous motor ( 10 ), which has a stator ( 12 ) that supports a multi-phase stator winding ( 15 ) and a rotor ( 13 ) equipped with permanent magnet...
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6825588 |
Uninterruptible power supply using a high speed cylinder flywheel
A flywheel uninterruptible power supply includes a solid steel cylindrical flywheel levitated for rotation about a vertical axis at tip speeds greater than 250 m/s on magnetic bearings in a low...
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6798092 |
Low outgas flywheel motor/generator
A flywheel energy storage system includes a housing adapted to be evacuated and maintained at a low pressure atmosphere, a cylindrical steel flywheel supported for low-loss rotation in the low...
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6794777 |
Robust minimal-loss flywheel systems
Electric power is stored in a flywheel system, from a DC power buss, and supplied to the buss, through power electronics associated with a motor/generator, its rotor integral with a flywheel...
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6794776 |
Inductor alternator flywheel system
An inductor alternator flywheel system, for converting between electrical and kinetic energy, includes an annular steel flywheel mounted on bearings for rotation about an axis. The flywheel has an...
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6791225 |
Flywheel magneto generator
The invention relates to a flywheel magneto generator having a rotor assembly and a stator assembly. The rotor assembly includes a non-ferromagnetic flywheel and a plurality of magnetic poles that...
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6781263 |
Magneto-generator
A magneto-generator exhibiting high electricity generation efficiency under the forced cooling effect includes a flywheel implemented substantially in a bowl-like shape, a plurality of magnets...
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6756708 |
Electronic circuit incorporating a micro-electromechanical energy storage device
A compact high current source including a homopolar generator integrally formed on a substrate. An electronic circuit also can be disposed on the substrate, homopolar generator on a single...
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